12112103201 has 4 divisors (see below), whose sum is σ = 13213203504. Its totient is φ = 11011002900.

The previous prime is 12112103189. The next prime is 12112103207. The reversal of 12112103201 is 10230121121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12112103201 - 2²⁶ = 12044994337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112103207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550550135 + ... + 550550156.

It is an arithmetic number, because the mean of its divisors is an integer number (3303300876).

Almost surely, 2^12112103201 is an apocalyptic number.

12112103201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112103201 is a deficient number, since it is larger than the sum of its proper divisors (1101100303).

12112103201 is a wasteful number, since it uses less digits than its factorization.

12112103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101100302.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12112103201 its reverse (10230121121), we get a palindrome (22342224322).

The spelling of 12112103201 in words is "twelve billion, one hundred twelve million, one hundred three thousand, two hundred one".